diff --git a/apps/web/test/lib/generateCsv.test.ts b/apps/web/test/lib/generateCsv.test.ts
index 1d5b8b327f..d6422c0acc 100644
--- a/apps/web/test/lib/generateCsv.test.ts
+++ b/apps/web/test/lib/generateCsv.test.ts
@@ -67,6 +67,7 @@ describe("generate Csv for Org Users Table @test", () => {
     completedOnboarding: true,
     teams: [],
     attributes: [],
+    lastActiveAt: "",
   };
 
   it("should throw if no headers", () => {
diff --git a/packages/features/auth/lib/getServerSession.ts b/packages/features/auth/lib/getServerSession.ts
index 36bf09d49d..fc0e5d5402 100644
--- a/packages/features/auth/lib/getServerSession.ts
+++ b/packages/features/auth/lib/getServerSession.ts
@@ -54,10 +54,11 @@ export async function getServerSession(options: {
     return cachedSession;
   }
 
-  const userFromDb = await prisma.user.findUnique({
+  const userFromDb = await prisma.user.update({
     where: {
       email: token.email.toLowerCase(),
     },
+    data: { lastActiveAt: new Date() },
   });
 
   if (!userFromDb) {
diff --git a/packages/features/bookings/lib/handleNewBooking.ts b/packages/features/bookings/lib/handleNewBooking.ts
index eda60308f4..f7955d5556 100644
--- a/packages/features/bookings/lib/handleNewBooking.ts
+++ b/packages/features/bookings/lib/handleNewBooking.ts
@@ -37,6 +37,7 @@ import {
 } from "@calcom/features/ee/workflows/lib/allowDisablingStandardEmails";
 import { scheduleWorkflowReminders } from "@calcom/features/ee/workflows/lib/reminders/reminderScheduler";
 import { getFullName } from "@calcom/features/form-builder/utils";
+import { UsersRepository } from "@calcom/features/users/users.repository";
 import type { GetSubscriberOptions } from "@calcom/features/webhooks/lib/getWebhooks";
 import getWebhooks from "@calcom/features/webhooks/lib/getWebhooks";
 import {
@@ -986,6 +987,11 @@ async function handler(
       originalRescheduledBooking,
     });
 
+    if (booking?.userId) {
+      const usersRepository = new UsersRepository();
+      await usersRepository.updateLastActiveAt(booking.userId);
+    }
+
     evt.uid = booking?.uid ?? null;
     evt.oneTimePassword = booking?.oneTimePassword ?? null;
 
diff --git a/packages/features/ee/teams/components/MemberList.tsx b/packages/features/ee/teams/components/MemberList.tsx
index eec5f4edfd..1144b65983 100644
--- a/packages/features/ee/teams/components/MemberList.tsx
+++ b/packages/features/ee/teams/components/MemberList.tsx
@@ -378,6 +378,11 @@ export default function MemberList(props: Props) {
           return filterValue.includes(rows.getValue(id));
         },
       },
+      {
+        id: "lastActiveAt",
+        header: "Last Active",
+        cell: ({ row }) => <div>{row.original.lastActiveAt}</div>,
+      },
       {
         id: "actions",
         cell: ({ row }) => {
diff --git a/packages/features/users/components/UserTable/UserListTable.tsx b/packages/features/users/components/UserTable/UserListTable.tsx
index 55504df7c4..d58cc00007 100644
--- a/packages/features/users/components/UserTable/UserListTable.tsx
+++ b/packages/features/users/components/UserTable/UserListTable.tsx
@@ -342,6 +342,11 @@ export function UserListTable() {
         },
       },
       ...generateAttributeColumns(),
+      {
+        id: "lastActiveAt",
+        header: "Last Active",
+        cell: ({ row }) => <div>{row.original.lastActiveAt}</div>,
+      },
       {
         id: "actions",
         enableHiding: false,
diff --git a/packages/features/users/components/UserTable/types.ts b/packages/features/users/components/UserTable/types.ts
index dfbff32eb6..ef64f8c16c 100644
--- a/packages/features/users/components/UserTable/types.ts
+++ b/packages/features/users/components/UserTable/types.ts
@@ -10,6 +10,7 @@ export interface UserTableUser {
   accepted: boolean;
   disableImpersonation: boolean;
   completedOnboarding: boolean;
+  lastActiveAt: string;
   teams: {
     id: number;
     name: string;
diff --git a/packages/features/users/users.repository.interface.ts b/packages/features/users/users.repository.interface.ts
new file mode 100644
index 0000000000..9e9f886e37
--- /dev/null
+++ b/packages/features/users/users.repository.interface.ts
@@ -0,0 +1,5 @@
+import type { User } from "@prisma/client";
+
+export interface IUsersRepository {
+  updateLastActiveAt(userId: number): Promise<User>;
+}
diff --git a/packages/features/users/users.repository.ts b/packages/features/users/users.repository.ts
new file mode 100644
index 0000000000..279c4e55d6
--- /dev/null
+++ b/packages/features/users/users.repository.ts
@@ -0,0 +1,20 @@
+import { captureException } from "@sentry/nextjs";
+
+import db from "@calcom/prisma";
+
+import type { IUsersRepository } from "./users.repository.interface";
+
+export class UsersRepository implements IUsersRepository {
+  async updateLastActiveAt(userId: number) {
+    try {
+      const user = await db.user.update({
+        where: { id: userId },
+        data: { lastActiveAt: new Date() },
+      });
+      return user;
+    } catch (err) {
+      captureException(err);
+      throw err;
+    }
+  }
+}
diff --git a/packages/prisma/migrations/20241023041541_add_user_last_active_at/migration.sql b/packages/prisma/migrations/20241023041541_add_user_last_active_at/migration.sql
new file mode 100644
index 0000000000..6b3a05afea
--- /dev/null
+++ b/packages/prisma/migrations/20241023041541_add_user_last_active_at/migration.sql
@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "users" ADD COLUMN     "lastActiveAt" TIMESTAMP(3);
diff --git a/packages/prisma/schema.prisma b/packages/prisma/schema.prisma
index 509690a268..0d5116740e 100644
--- a/packages/prisma/schema.prisma
+++ b/packages/prisma/schema.prisma
@@ -277,6 +277,7 @@ model User {
   appTheme            String?
   createdDate         DateTime             @default(now()) @map(name: "created")
   trialEndsAt         DateTime?
+  lastActiveAt        DateTime?
   eventTypes          EventType[]          @relation("user_eventtype")
   credentials         Credential[]
   teams               Membership[]
diff --git a/packages/trpc/server/routers/viewer/organizations/listMembers.handler.ts b/packages/trpc/server/routers/viewer/organizations/listMembers.handler.ts
index 54f0170bac..4a5c7ed797 100644
--- a/packages/trpc/server/routers/viewer/organizations/listMembers.handler.ts
+++ b/packages/trpc/server/routers/viewer/organizations/listMembers.handler.ts
@@ -106,6 +106,7 @@ export const listMembersHandler = async ({ ctx, input }: GetOptions) => {
           timeZone: true,
           disableImpersonation: true,
           completedOnboarding: true,
+          lastActiveAt: true,
           teams: {
             select: {
               team: {
@@ -164,6 +165,13 @@ export const listMembersHandler = async ({ ctx, input }: GetOptions) => {
         accepted: membership.accepted,
         disableImpersonation: user.disableImpersonation,
         completedOnboarding: user.completedOnboarding,
+        lastActiveAt: membership.user.lastActiveAt
+          ? new Intl.DateTimeFormat(ctx.user.locale, {
+              timeZone: ctx.user.timeZone,
+            })
+              .format(membership.user.lastActiveAt)
+              .toLowerCase()
+          : null,
         avatarUrl: user.avatarUrl,
         teams: user.teams
           .filter((team) => team.team.id !== organizationId) // In this context we dont want to return the org team
diff --git a/packages/trpc/server/routers/viewer/teams/listMembers.handler.ts b/packages/trpc/server/routers/viewer/teams/listMembers.handler.ts
index f1dd2ae68d..ffa22a4bbb 100644
--- a/packages/trpc/server/routers/viewer/teams/listMembers.handler.ts
+++ b/packages/trpc/server/routers/viewer/teams/listMembers.handler.ts
@@ -25,6 +25,7 @@ const userSelect = Prisma.validator<Prisma.UserSelect>()({
   id: true,
   bio: true,
   disableImpersonation: true,
+  lastActiveAt: true,
 });
 
 export const listMembersHandler = async ({ ctx, input }: ListMembersHandlerOptions) => {
@@ -92,6 +93,13 @@ export const listMembersHandler = async ({ ctx, input }: ListMembersHandlerOptio
         disableImpersonation: user.disableImpersonation,
         bookerUrl: getBookerBaseUrlSync(profile?.organization?.slug || ""),
         teamId: member.teamId,
+        lastActiveAt: member.user.lastActiveAt
+          ? new Intl.DateTimeFormat(ctx.user.locale, {
+              timeZone: ctx.user.timeZone,
+            })
+              .format(member.user.lastActiveAt)
+              .toLowerCase()
+          : null,
       };
     })
   );